... Dual-Band 900 / 1800 MHz GPRS multi-slot Class 10/8 SIM Application Toolkit CE, R&TTE, GCF, FCC, PTCRB, IC ... / client, UDP, ICMP,DNS, HTTP, FTP, SMTP, POP3Supply voltage range: 8 – 30 VOperating temperature: -30 °C to +75 °CDimensions: 65 x ... interface(4-pole Western jack)Mini-SIM card reader, 1.8 V and 3.0 VV.24 / V.28 RS-232 ... Dual-Band 900 / 1800 MHz GPRS multi-slot Class 10/8